Consultation process will begin with initial question from
root node (Q1) as shown in Fig. 8. Each question will always
be followed by answer options to reply. Users are required to
simply reply the question by replying the message according
to the given instruction. Consultation process will continue
with appropriate questions according to the constructed
decision tree model. The process will end up in a leaf node
where a conclusion is drawn; in this case, the experiment
reached 04 decision.